Decibel Meter

Decibel Meter has been updated to be fully compatible with iOS 4, and multitasking aware. We have also updated Decibel Meter to work with the iPod touch! So if you have an iPod Touch with an internal or external mic you can enjoy the best sound meter on the App Store.
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Ever wonder how loud a sound really is? Well now you can with Decibel Meter! Decibel Meter uses your iPhone’s built in Mic to determine the intensity level of sounds it picks up, and displays it in dB SPL (Decibel Sound Pressure Level). *

Simply start up Decibel Meter and it will automatically start sampling sounds, and shows you the RMS average decibel reading as well as the peak decibel reading. Decibel Meter also provides a fun graphical way of interpreting the level of sound.

The iPhone’s built in Mic has the ability to pick up sounds near 0 dB SPL and up to around 110 dB SPL. Be sure to check out our website for a better understand of how decibels are measured!